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Harman Kardon AVR335 User Manual

Harman Kardon AVR335
127 pages
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harman/kardon
AVR335
7 X 55W 7.1 CHANNEL A/V RECEIVER
SERVICE MANUAL
CONTENTS
ESD WARNING……………………………….2
LEAKAGE TESTING……………….…..…....3
BASIC SPECIFICATIONS…………………..4
FRONT PANEL CONTROLS………..…..…..5
REAR PANEL CONNECTIONS………….…7
REMOTE CONTROL FUNCTIONS……….10
INSTALLATION/CONNECTIONS…..13
OPERATION……………………….………..15
TROUBLESHOOTING GUIDE…...……..…21
PROCESSOR RESET……………….….…..21
UNIT EXPLODED VIEW…………………....22
DISASSEMBLY………………………………23
AMP BIAS ADJUSTMENT………………....24
TECH TIP HKTT2003-01……………..……..25
BLOCK DIAGRAM…………………………..26
PCB DRAWINGS……………….……..……27
ELECTRICAL PARTS LIST…….………….34
SEMICONDUCTOR PINOUTS………….…77
SCHEMATICS………………………………119
WIRING DIAGRAM…………………….......126
PACKAGING…………………………..……127
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797
Rev5 5/2007

Table of Contents

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Harman Kardon AVR335 Specifications

General IconGeneral
TypeAV Receiver
Amplifier TypeDiscrete
Channels7.1
Total Harmonic Distortion0.07%
Input Sensitivity200 mV
Input Impedance47k ohms
TunerAM/FM
Remote ControlYes
Frequency Response10 Hz - 100 kHz
Signal-to-Noise Ratio100dB
Surround Sound FormatsDolby Digital, DTS, Dolby Pro Logic II
Dimensions (W x H x D)440 x 165 x 382mm
Weight12.7kg

Summary

Safety and Handling Precautions

Electrostatic Discharge (ESD) Devices

Precautions to prevent damage from static electricity when handling sensitive components.

Leakage Current Check Procedure

Procedure to measure leakage current to ensure safety before returning the appliance.

Technical Specifications

System Interface Overview

Front Panel Controls Description

Detailed descriptions of all buttons, indicators, and connectors on the front panel.

Rear Panel Connections Guide

Explanation of all input, output, and speaker connection jacks on the rear panel.

Remote Control Functions

Detailed descriptions of all buttons and their functions on the remote control.

Setup and Operation Procedures

Installation and Connections Guide

Steps for connecting audio, video, and power for system setup.

Basic Operation and Controls

Turning the unit on/off, source selection, and volume control.

Surround Sound Mode Selection

Guide to selecting and understanding various surround sound modes.

Digital Audio and Tuner Operation

Information on digital audio sources, PCM playback, and tuner usage.

Troubleshooting and Maintenance

Troubleshooting Guide and Processor Reset

Common issues, solutions, and system memory reset procedure.

Exploded View and Disassembly

Diagram of internal components and step-by-step disassembly instructions.

Amplifier Bias Adjustment and Tech Tips

Bias adjustment procedure and technical service tips.

System Diagrams and Parts

Block Diagrams and PCB Drawings

High-level block diagrams and detailed Printed Circuit Board layouts.

Electrical Parts List

Comprehensive list of electrical components with part numbers.

Component Datasheets

Hex Inverter (74AC04, 74ACT04)

Datasheet for Hex Inverter IC, including pinouts and functions.

DSP Audio Processor (CS493263)

Block diagram and pin functions for the DSP processor IC.

DAC Chip (AK4358)

Datasheet for the 8-channel DAC, including features and pin layout.

ADC Chip (AK5381)

Datasheet for the stereo A/D Converter, covering features and pin layout.

U-COM IC (IC72) Pin Assignment

Pin assignment and descriptions for the U-COM IC.

Microcontroller (S3C84BB/F84BB)

Block diagram and pin assignment for the microcontroller IC.

Transistor and Regulator IC Diagrams

Block diagrams for common transistor and regulator IC packages.

Wiring Diagrams

Wiring Diagram Overview

Overall wiring diagram showing connections between major internal boards.

Accessories and Packaging

Included Accessories List

List and diagrams of accessories supplied with the unit.

Package Drawing

Diagram illustrating the packaging of the unit for shipping.

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